cavis/libnd4j/include/ops/declarable/generic/bitwise/bits_hamming_distance.cpp

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/*******************************************************************************
* Copyright (c) 2015-2019 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// @author raver119@gmail.com
//
#include <op_boilerplate.h>
#if NOT_EXCLUDED(OP_bits_hamming_distance)
#include <ops/declarable/CustomOperations.h>
#include <ops/declarable/helpers/helpers.h>
#include <ops/declarable/helpers/hamming.h>
namespace nd4j {
namespace ops {
CUSTOM_OP_IMPL(bits_hamming_distance, 2, 1, true, 0, 0) {
auto x = INPUT_VARIABLE(0);
auto y = INPUT_VARIABLE(1);
auto output = OUTPUT_VARIABLE(0);
REQUIRE_TRUE(x->lengthOf() == y->lengthOf(), 0, "bits_hamming_distance: both arguments must have the same length");
REQUIRE_TRUE(x->dataType() == y->dataType(), 0, "bits_hamming_distance: both arguments must have the same data type");
helpers::hamming(block.launchContext(), *x, *y, *output);
return Status::OK();
}
DECLARE_SHAPE_FN(bits_hamming_distance) {
return SHAPELIST(ConstantShapeHelper::getInstance()->scalarShapeInfo(nd4j::DataType::INT64));
}
DECLARE_TYPES(bits_hamming_distance) {
getOpDescriptor()
->setAllowedInputTypes(0, {ALL_INTS})
->setAllowedInputTypes(1, {ALL_INTS})
->setAllowedOutputTypes(0, {ALL_INDICES});
}
}
}
#endif